中国临床心理学杂志

不同范围提示下儿童视觉空间注意的ERP研究

单位：潍坊医学院山东潍坊261042

分类号：B842.3

出版年,卷(期):页码：2011,19(5):582-584

摘要：

目的：研究儿童在不同范围提示下视觉空间注意的事件相关电位(ERP)特征。方法：采用"提示-目标"的视觉实验范式，以圆圈提示不同等级的搜索范围，对14名儿童进行检测。通过ERP技术分析儿童不同空间注意等级的早成分。结果：随提示范围的减小，反应时加快，后部P1和N1波幅增大，前部P2波幅减小。结论：在空间注意加工的早期阶段，儿童依赖提示等级的有效性调动脑资源；而晚期阶段需要额外的脑资源。

Objective:study the characteristic of children’s Event-Related Potentials(ERP) by visual spatial attentionto different spatial scaling cues.Methods:The “cue-target” experimental paradigm was adopted,and the attendedrange was cued by different circles.The subjects included fourteen health children.Results:The reaction time becameshorter with the decrease of the cue scale,while P1 and N1 components amplitudes increased,P2 components amplitudesdecreased.Conclusion:In the early stages of processing of spatial attention,children rely on the effectiveness of promptmobilization of the brain resources;and the later stages of the brain requires additional resources.

基金项目：

山东省自然科学基金项目(ZR2009CL043)

作者简介：

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